component
TPA741DR
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
tpa741dr: specified limits as data (metadata.characteristics, 34 rows from the datasheet)
69cd2a4
14d ago
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639
{
"schema_version": 1,
"type": "component",
"slug": "tpa741dr",
"title": "TPA741DR",
"brief": "Texas Instruments Audio Amplifiers, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"amplifiers-comparators",
"tpa741dr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "TPA741DR",
"manufacturer": "Texas Instruments",
"package": "SOIC-8",
"pin_count": 8,
"category": "Amplifiers/Comparators",
"subcategory": "Audio Amplifiers",
"datasheet": "https://www.ti.com/lit/ds/symlink/tpa741.pdf",
"parts": {
"symbol": "tpa741dr.kicad_sym",
"footprint": "tpa741dr.kicad_mod",
"model_3d": "tpa741dr-hero.glb",
"model_3d_plain": "tpa741dr.glb",
"model_3d_step": "tpa741dr-etched.step",
"model_3d_step_plain": "tpa741dr.step",
"lbr": "tpa741dr.lbr"
},
"distributor_links": {
"lcsc": "C2861355",
"digikey": "296-TPA741DRTR-ND",
"mouser": "595-TPA741DR"
},
"distributor_check": {
"checked_at": "2026-10-09T08:00:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-TPA741DRTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TPA741DR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "SHUTDOWN",
"type": "input",
"description": "SHUTDOWN places the entire device in shutdown mode when held high."
},
{
"number": "2",
"name": "BYPASS",
"type": "passive",
"description": "BYPASS is the tap to the voltage divider for internal mid-supply bias and should be connected to a 0.1-µF to 2.2-µF capacitor when used as an audio amplifier."
},
{
"number": "3",
"name": "IN+",
"type": "input",
"description": "IN+ is the noninverting input and is typically tied to the BYPASS terminal for single-ended (SE) operation."
},
{
"number": "4",
"name": "IN-",
"type": "input",
"description": "IN- is the inverting input and is typically used as the audio input terminal."
},
{
"number": "5",
"name": "VO+",
"type": "output",
"description": "VO+ is the positive BTL output."
},
{
"number": "6",
"name": "VDD",
"type": "power_in",
"description": "VDD is the supply voltage terminal, with an absolute maximum supply voltage of 6 V."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "GND is the ground connection."
},
{
"number": "8",
"name": "VO-",
"type": "output",
"description": "VO- is the negative BTL output."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The datasheet's terminal table lists BYPASS as direction 'I', but it is an internal mid-supply bias ; The datasheet gives the SHUTDOWN logic thresholds on page 3 (VIH min 0.9·VDD, VIL max 0.1·VDD). They"
],
"pages_sent": 6,
"cost_usd": 0.0344,
"at": "2026-10-09T08:00:15"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tpa741.pdf",
"pages": 31,
"sha256": "4c382207c8b52f6f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "tpa741dr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tpa741dr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6,
4.9,
1.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "e4aed90ba29da096a2cd5600b25029208cbbb2c537d08268cb2e83b4cdcf019a",
"checked": "2026-10-09",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-8",
"Category": "Amplifiers/Comparators",
"Pins": "8"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "4c382207c8b52f6f",
"rows": [
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "recommended_operating",
"unit": "V",
"min": 2.5,
"typ": null,
"max": 5.5,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating free-air temperature",
"symbol": "TA",
"kind": "recommended_operating",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply voltage",
"symbol": "VDD",
"kind": "absolute_maximum",
"unit": "V",
"min": null,
"typ": null,
"max": 6,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VI",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.3,
"typ": null,
"max": null,
"conditions": "Upper limit printed as VDD + 0.3 V",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating free-air temperature",
"symbol": "TA",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Operating junction temperature range",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "°C",
"min": -40,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Storage temperature range",
"symbol": "Tstg",
"kind": "absolute_maximum",
"unit": "°C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Lead temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "°C",
"min": null,
"typ": null,
"max": 260,
"conditions": "1,6 mm (1/16 inch) from case for 10 seconds",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power rating, D package (SOIC)",
"symbol": "",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 725,
"conditions": "TA ≤ 25°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power rating, D package (SOIC)",
"symbol": "",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 464,
"conditions": "TA = 70°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Power rating, D package (SOIC)",
"symbol": "",
"kind": "thermal",
"unit": "mW",
"min": null,
"typ": null,
"max": 377,
"conditions": "TA = 85°C",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Derating factor, D package (SOIC)",
"symbol": "",
"kind": "thermal",
"unit": "mW/°C",
"min": null,
"typ": 5.8,
"max": null,
"conditions": "",
"source_page": 2,
"source": "datasheet"
},
{
"name": "Output offset voltage (measured differentially)",
"symbol": "|VOS|",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 20,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; SHUTDOWN = 0 V, RL = 8 Ω, RF = 10 kΩ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.35,
"max": 2.5,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; SHUTDOWN = 0 V, RF = 10 kΩ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current, shutdown mode",
"symbol": "IDD(SD)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 7,
"max": 50,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; SHUTDOWN = VDD, RF = 10 kΩ (see Figure 6)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output offset voltage (measured differentially)",
"symbol": "|VOS|",
"kind": "electrical",
"unit": "mV",
"min": null,
"typ": 20,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; SHUTDOWN = 0 V, RL = 8 Ω, RF = 10 kΩ",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply current",
"symbol": "IDD",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1.45,
"max": 2.5,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; SHUTDOWN = 0 V, RF = 10 kΩ",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply current, shutdown mode",
"symbol": "IDD(SD)",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 50,
"max": 100,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; SHUTDOWN = VDD, RF = 10 kΩ (see Figure 4)",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power supply rejection ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 85,
"max": null,
"conditions": "VDD = 3.2 V to 3.4 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power supply rejection ratio",
"symbol": "PSRR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 78,
"max": null,
"conditions": "VDD = 4.9 V to 5.1 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "High-level input current (SHUTDOWN)",
"symbol": "|IIH|",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": null,
"conditions": "SHUTDOWN, VDD = 3.3 V, Vi = 3.3 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Low-level input current (SHUTDOWN)",
"symbol": "|IIL|",
"kind": "electrical",
"unit": "µA",
"min": null,
"typ": 1,
"max": null,
"conditions": "SHUTDOWN, VDD = 3.3 V, Vi = 0 V",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output power",
"symbol": "PO",
"kind": "electrical",
"unit": "mW",
"min": null,
"typ": 250,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; THD = 0.5%, See Figure 9",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Total harmonic distortion plus noise",
"symbol": "THD + N",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.55,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; PO = 250 mW, f = 200 Hz to 4 kHz, See Figure 7",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Maximum output power bandwidth",
"symbol": "BOM",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": 20,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; AV = -2 V/V, THD = 2%, See Figure 7",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Unity-gain bandwidth",
"symbol": "B1",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": 1.4,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; Open loop, See Figure 15",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply ripple rejection ratio",
"symbol": "kSVR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 79,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; f = 1 kHz, CB = 1 µF, See Figure 2",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Noise output voltage",
"symbol": "Vn",
"kind": "electrical",
"unit": "µV(rms)",
"min": null,
"typ": 17,
"max": null,
"conditions": "VDD = 3.3 V, TA = 25°C, RL = 8 Ω; AV = -1 V/V, CB = 0.1 µF, See Figure 19",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Output power",
"symbol": "PO",
"kind": "electrical",
"unit": "mW",
"min": null,
"typ": 700,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; THD = 0.5%, See Figure 13",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Total harmonic distortion plus noise",
"symbol": "THD + N",
"kind": "electrical",
"unit": "%",
"min": null,
"typ": 0.5,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; PO = 250 mW, f = 200 Hz to 4 kHz, See Figure 11",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Maximum output power bandwidth",
"symbol": "BOM",
"kind": "electrical",
"unit": "kHz",
"min": null,
"typ": 20,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; AV = -2 V/V, THD = 2%, See Figure 11",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Unity-gain bandwidth",
"symbol": "B1",
"kind": "electrical",
"unit": "MHz",
"min": null,
"typ": 1.4,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; Open loop, See Figure 16",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Supply ripple rejection ratio",
"symbol": "kSVR",
"kind": "electrical",
"unit": "dB",
"min": null,
"typ": 80,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; f = 1 kHz, CB = 1 µF, See Figure 2",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Noise output voltage",
"symbol": "Vn",
"kind": "electrical",
"unit": "µV(rms)",
"min": null,
"typ": 17,
"max": null,
"conditions": "VDD = 5 V, TA = 25°C, RL = 8Ω; AV = -1 V/V, CB = 0.1 µF, See Figure 20",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"tpa741dr"
],
"discovery_pitch": "TPA741DR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tpa741dr.kicad_sym",
"tpa741dr.kicad_mod",
"tpa741dr.glb",
"tpa741dr.step",
"tpa741dr.lbr",
"docs/hero.png",
"docs/tpa741dr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tpa741dr-hero.glb",
"tpa741dr-hero.overlay.json"
],
"visibility": {
"public": true
}
}